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1425913 is a prime number
BaseRepresentation
bin101011100000111111001
32200102222121
411130013321
5331112123
650321241
715056116
oct5340771
92612877
101425913
11894345
12589221
133ac048
1429190d
151d275d
hex15c1f9

1425913 has 2 divisors, whose sum is σ = 1425914. Its totient is φ = 1425912.

The previous prime is 1425911. The next prime is 1425917. The reversal of 1425913 is 3195241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1006009 + 419904 = 1003^2 + 648^2 .

It is a cyclic number.

It is not a de Polignac number, because 1425913 - 21 = 1425911 is a prime.

Together with 1425911, it forms a pair of twin primes.

It is equal to p108907 and since 1425913 and 108907 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1425911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712956 + 712957.

It is an arithmetic number, because the mean of its divisors is an integer number (712957).

21425913 is an apocalyptic number.

It is an amenable number.

1425913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425913 is an equidigital number, since it uses as much as digits as its factorization.

1425913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 25.

The square root of 1425913 is about 1194.1159910159. The cubic root of 1425913 is about 112.5548835086.

The spelling of 1425913 in words is "one million, four hundred twenty-five thousand, nine hundred thirteen".